Patent application number | Description | Published |
20090012277 | Process for Preparation of Timosaponin B II - A method for preparation of Timosaponin BII, which uses Chinese traditional medicine Rhizoma Anemarrhenae or fresh rhizoma or fibrous root of | 01-08-2009 |
20090164610 | METHOD, GATEWAY, CLIENT, SOFTWARE ARRANGEMENT AND COMPUTER-ACCESSIBLE MEDIUM FOR FACILITATING A HANDOVER BETWEEN A WIRELESS LAN AND A RADIO ACCESS NETWORK - Exemplary embodiments of method, gateway, client, software arrangement and computer-accessible medium are provided for a handover of a client from a local network to an access network. For example, information can be received from the client regarding the client's ability to connect directly to the access network, whereas the client is connected to a local network. A request for the handover of the client and an identification information of the client can be transmitted to the access network. Further, the handover of the client can be initiated from the local network to the access network. | 06-25-2009 |
20090238297 | Method For Selecting Subchannel Mode And MIMO Communication System Using The Same - The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency. | 09-24-2009 |
20100002796 | Adaptive Transmission Method And System For Wireless Communication System - The present invention provides a wireless transmission method and system based on maximum multi-path delay estimation. A wireless transmission method based on an estimation of maximum multi-paths delay, comprising: a communication apparatus involved in wireless communication estimates the maximum multi-paths delay of a currently received frame; the communication apparatus performs a quantization and coding on feedback information related with the estimated maximum multi-paths delay, and then sends the feedback information which has been subjected to the quantization and coding to an opposing communication apparatus which is in wireless communication with the communication apparatus; the opposing communication apparatus recovers the feedback information by demodulating and decoding the feedback information which has been subjected to the quantization and coding; the opposing communication apparatus performs an adaptive adjustment of wireless signals transmitted to the communication apparatus, based on the recovered feedback information. With this method, system parameters can be adaptively adjusted so as to that sufficiently improves the spectrum utilization efficiency of wireless resources (the throughput is increased by about 5%). | 01-07-2010 |
20100151871 | Wireless Communication System And Wireless Communication Method - There is provided a method for scheduling users in a multi user-multi input multi output (MU-MIMO) wireless communication system. The MU-MIMO wireless communication system comprises at least one based station and at least one user equipment, the base station is capable of accommodating plural user equipments by precoding based on a codebook, the method comprising: each of the plural user equipments conducting a channel estimation based on a pilot signal transmitted from the base station, to obtain a channel information; determining, based on the channel information, a codeword that results in the maximum signal-noise-ratio (SNR), and a channel quality indictor (CQI) value corresponding to the codeword; and feeding back the codeword and the CQI value to the base station, the base station setting up an active user set that includes at least one user allowed of downlink transmission based on the codewords and the CQI values fed back from the user equipments, so that a predetermined performance metric of the system is maximized. | 06-17-2010 |
20100166097 | Wireless Communication System And Wireless Communication Method - There is provided a MIMO wireless communication system, which comprises at least one base station having plural transmitting antennas and at least one user equipment having at least one receiving antennas, the base station being capable of accommodating plural user equipments by precoding based on a codebook, wherein, each of the plural user equipments comprises: a channel estimation unit for conducting a channel estimation based on a pilot signal transmitted from the base station, to obtain a channel information; a codeword determination unit for determining a first codeword that results in the maximum signal-noise-ratio, and at least one second codeword that results in the minimum signal-noise-ratio, based on the channel information; and a transmission unit for feedbacking the first codeword and the second codeword(s) to the base station, the base station is configured to schedule the user equipments based on the first codeword and the second codeword so that a predetermined system performance metric is optimized. | 07-01-2010 |
20110037570 | Communication Method for a Radio System and Apparatus and System for Implementing the Method - An apparatus, system and communication method, which is particularly suited for a radio frequency identification system (RFID), wherein a reflection-transmission apparatus is disposed in a radio system and, during a communication process, the reflection and transmission features of reflection-transmission apparatus presented at the radio frequency are changed to introduce a multi-path signal component which changes with time. Consequently, during the communication process, a receiving apparatus receives and combines the multi-path signal component of communication signals and the radio system performs communication by utilizing time diversity effects. The apparatus, system and method provide effective and continued reduction of communication blind spots in the RFID system, thereby improving the overall success rate for the RFID system to read tags and accomplishing a better balance with the overall reading time. | 02-17-2011 |
20110171308 | PH-SENSITIVE SOLID PHARMACEUTICAL COMPOSITION FOR ORAL PREPARATION AND PREPARATION METHOD THEREOF - A pH-sensitive solid pharmaceutical composition for oral formulation and preparation method thereof is provided. The solid pharmaceutical composition contains a pharmaceutical active ingredient, a nano-matrix carrier and a pH-sensitive polymer material. | 07-14-2011 |
20110235751 | DATA TRANSMISSION DEVICE AND METHOD THEREOF, AND DATA RECEPTION DEVICE AND METHOD THEREOF - The present invention discloses a data transmission device and method thereof, and a data reception device and method thereof. The data transmission method in the present invention includes the following steps: encoding information data to obtain mother codes; generating transmission data including the mother codes and repetition codes from the mother codes, wherein parts of the mother codes with low reliability are selected to be repetition codes according to the modulation type of the mother codes; modulating the transmission data; transmitting the modulated data. | 09-29-2011 |
20120009980 | BASE STATION AND MOBILE STATION - A base station and a mobile station, the base station includes common antennas configured to transmit signals to all mobile stations (UEs) served by the base station; a special antenna to transmit a signal to a UE which is served by the base station and supports the special antenna; a sub-frame selecting unit to select a sub-frame for transmitting a common pilot of the special antenna in the current frame; a resource block (RB) selecting unit to select a RB for transmitting the common pilot, in the sub-frame for transmitting the common pilot selected by the sub-frame selecting unit; a notifying unit to notify the sub-frame and RB for transmitting the common pilot antenna selected by the UE supporting the special antenna in a cell; and a transmitting unit to transmit a signal having the common pilot in the RB selected by the RB selecting unit. | 01-12-2012 |
20120044978 | COMMUNICATION APPARATUS, BASE STATION AND COORDINATED MULTIPOINT COMMUNICATION METHOD - The communication apparatus includes: a channel estimating unit for acquiring a channel estimation value of a channel between the communication apparatus and a cell base station of a cell in which the communication apparatus is located; a transmitter transmitting the channel estimation value or information based on the channel estimation value to the cell base station; a receiver receiving coordinated multipoint (CoMP) message from the cell base station, the CoMP message indicates the CoMP transmission mode, the codebook or precoding matrix used by the cell base station, and the codebook or precoding matrix used by a coordinated base station that coordinates with the cell base station; a channel matrix forming unit for acquiring a channel matrix according to the CoMP message; and a decoder decoding received signals according to the channel matrix and the CoMP message. | 02-23-2012 |
20120045018 | COMMUNICATION APPARATUS, COMMUNICATION METHOD AND BASE STATION - The present invention relates to communication apparatus, communication method and base station. The communication apparatus has a plurality of antennas and is capable of using a Multi-Input Multi-Output (MIMO) technique, comprising: a MIMO mode determining unit configured to determine a MIMO mode to be adopted; a precoding matrix information determining unit configured to determine precoding matrixes according to the determined MIMO mode; a transmitting unit configured to transmit information related to the precoding matrix, wherein, in case the MIMO mode to be adopted is a single-cell multi-user MIMO mode, the precoding matrix information determining unit determines a precoding matrix to be used by a service base station in a cell where the communication apparatus locates to communicate with the communication apparatus, and determines a precoding matrix to be used by the service base station to communicate with other communication apparatus in the cell which is grouped with the communication apparatus. | 02-23-2012 |
20120102390 | METHOD AND APPARATUS FOR GENERATING WIDGET - A method and an apparatus for generating a widget are provided. This technical solution belongs to the field of network application technology. The method includes the following steps: the attribute information of the data to be obtained is created according to the web page specified by a user and the page fragment marked by the user on the web page ( | 04-26-2012 |
20120108773 | CATALYSTS FOR POLYMERIZATION OF ISOPRENE AND PREPARATIONS AND USES THEREOF - Disclosed are catalyst compositions for isoprene polymerization formed from components comprising (A) at least one titanium halide; (B) at least one organic aluminum compound comprising at least one alkyl aluminum of formula AlR | 05-03-2012 |
20120110482 | METHOD AND APPARATUS FOR GENERATING WIDGET - A method and an apparatus for generating a widget are provided. The method includes: obtaining identification information of elements to be reused in a source widget; generating a logical relation between the elements to be reused; and generating a widget including the identification information of the elements to be reused and the logical relation according to the identification information of the elements to be reused and the logical relation. A method for running a widget and a widget engine are further provided. A new widget may be generated through combination and reuse of existing widgets, so that it is unnecessary to write a code in a development procedure, which reduces the workload of widget development and is beneficial to the development of widget technologies. | 05-03-2012 |
20120147829 | PILOT ADDITION METHOD AND PILOT ADDITION APPARATUS - A pilot addition method and a pilot addition apparatus. The pilot addition method is used in a transmitter for transmitting data to subscriber of an old system and subscriber of a new system serving as an updated system of the old system, including: judging whether or not to insert a pilot required by the subscriber of the new system into a current resource block, determining a sub-carrier symbol block serving as an insertion position of the pilot required by the subscriber of the new system, from one or more sub-carrier symbol blocks having a large influence on the statistical performance of a channel estimation for the subscriber of the old system; and inserting the pilot required by the subscriber of the new system into the sub-carrier symbol block serving as the insertion position of the pilot required by subscriber of a new system. determined by the determining. | 06-14-2012 |
20120227032 | METHOD, APPARATUS, AND SYSTEM FOR INVOKING WIDGET - A method includes: parsing a widget package that is to be run in a terminal to obtain component information in the widget package; obtaining registration information of a component in the widget package according to the component information; when the obtaining of the registration information fails, downloading a component according to component download request information sent by the terminal and updating the registration information; and invoking the downloaded component according to the updated registration information, so that a widget logic component may be updated separately, and a function of a widget terminal is implemented flexibly and easily. | 09-06-2012 |
20120231984 | MARINE LUBRICATING OIL COMPOSITE ADDITIVE - A marine lubricating oil composite additive is provided. Based on the total weight of the composite additive, said marine lubricating oil composite additive comprises: 25-45% sulfonate detergent with superhigh base number, 40-60% phenolate detergent with low base number, 0-8% dispersing agent, 0-4% antiwear agent, and 10-20% Group I base oil with high viscosity index which is selected from the group consisting of 400SN, 500SN and 600SN. The composite additive of the present invention can satisfy the requirement of BOB system about the viscosity and base number, and can be blended with many system oils under a number of domestic and foreign brands so as to provide cylinder lubricating oils with different base numbers. The composite additive of the present invention has good adaptability and excellent performances in terms of antiwear, antioxidization and high temperature detergency, which meet the requirement of marine engines about the performance of cylinder lubricating oils. | 09-13-2012 |
20120231985 | MARINE CYLINDER OIL COMPOSITE ADDITIVE - The present invention relates to a marine cylinder oil composite additive. Based on the total weight of the composite additive, said marine cylinder oil composite additive comprises: 15-25% sulfonate detergent with superhigh base number, 35-45% phenolate detergent with superhigh base number, 20-30% naphthenate detergent with superhigh base number, 0-8% dispersing agent, 0-4% antiwear agent, and 10-20% Group I base oil with high viscosity index which is selected from the group consisting of 400SN, 500SN and 650SN. | 09-13-2012 |
20120243448 | METHOD,SYSTEM AND DEVICE FOR SENDING UPLINK FEEDBACK INFORMATION - A method and device for acquiring user equipment duplex mode information are disclosed by the present invention, wherein, the method includes: the user equipment establishes a radio resource control connection with a base station, and reports the user equipment duplex mode information when establishing the radio resource control connection. With the technical scheme provided in the embodiments of the present invention, the network side acquires the duplex mode of the user equipment. | 09-27-2012 |
20120275415 | METHOD AND APPARATUS FOR CONVEYING DOWNLINK SCHEDULING SIGNALING - A method and an apparatus for conveying downlink scheduling signaling. The method comprises: generating a plurality of masking sequences corresponding to a plurality of predetermined downlink scheduling information including downlink physical resource assignment indicating information or power assignment information for a Demodulation Reference Signal (DMRS); and selecting a corresponding masking sequence from the plurality of masking sequences based on downlink scheduling information to be notified to a User Equipment (UE), and masking a Cyclic Redundancy Check (CRC) of a corresponding downlink control channel of the user equipment with the selected masking sequence for transmission. | 11-01-2012 |
20130044833 | METHOD FOR FEEDING BACK PRECODING MATRIX INFORMATION AND MOBILE STATION THEREOF - A method for feeding back pre-coding matrix information and a mobile station thereof are provided. The method includes: determining multiple kinds of pre-coding matrix information corresponding to multiple multi-input multi-output (MIMO) modes; and feeding back multiple kinds of pre-coding matrix information. The present invention can feedback pre-coding matrix information adapting for multiple multi-input multi-output modes. | 02-21-2013 |
20130195214 | METHOD AND DEVICE FOR GENERATING PRECODING MATRIX CODEBOOK AND METHOD FOR DESIGNATING PRECODING MATRIX - The present invention discloses a method and device for generating precoding matrix codebook and a method for a base station designating precoding matrix in multi-antenna communication system. The method for generating a precoding matrix codebook includes the following steps: the step of obtaining a selection probability: obtaining a selection probability allowed for each Rank by the multi-antenna communication system in the case of a certain Signal Noise Ratio (SNR); the step of determining a codebook size: determining a precoding matrix codebook size for a corresponding Rank according to the selection probability for each Rank in the case of the certain SNR; and the step of determining a codebook: determining a precoding matrix codebook for each Rank from the precoding matrix complete set according to the codebook size for each Rank in the case of the certain SNR. | 08-01-2013 |
20130297730 | NEAR FIELD INFORMATION TRANSMISSION - The present application provides a near field information transmission method and system, an information transmitting client, an information receiving client, and an information system. The information transmitting client transmits an acquisition request to the information system. The information transmitting client receives a random number that corresponds to the acquisition request and is returned by the information system. The random number corresponds to the information of said information transmitting client. The information transmitting client uses the random number as a service set identifier of a hotspot, and the service set identifier is broadcast through a beacon frame of a wireless communication protocol. The present techniques conduct near field information transmission conveniently and accurately. | 11-07-2013 |
20130301617 | METHOD DEVICE AND SYSTEM FOR CONTROLLING HANDOFF - A handoff control method includes the following: Handoff status information of a first mobile host (MH) is collected. The handoff status information includes at least one parameter that is used for representing a status that happened during the first handoff from a source access point (AP) to a target AP. A handoff policy is generated based on the handoff status information, and used for optimizing a handoff process of an MH associated with the source AP. The handoff process occurs after the first MH is handed off from the source AP. The handoff policy is sent to the MH associated with the source AP, so the MH associated with the source AP can perform the handoff according to the handoff policy. A handoff control device and a system represent technical solutions that optimize the handoff process, reduce a total time delay of handoff, and increase a likelihood of successful handoff. | 11-14-2013 |
20130317176 | POLYISOPRENE, PREPARATION METHOD THEREOF, POLYISOPRENE RUBBER COMPOUNDS AND VULCANIZATE THEREFROM - The method for preparation of polyisoprene includes conducting polymerization reaction of isoprene in a first organic solvent under the presence of rare earth catalyst I and rare earth catalyst II, to obtain polyisoprene with bimodal molecular weight distribution, wherein the polymerization reaction conditions are controlled to ensure the peak molecular weight of the high molecular weight component fraction in the polyisoprene is 1×10 | 11-28-2013 |
20130332299 | APPLICATION PRICING METHOD AND APPARATUS - The present invention discloses an application pricing method and apparatus, pertaining to the field of the field of software technologies. The method includes: packaging a plurality of applications to obtain an application package; obtaining prices of applications in the application package in a predetermined charging mode; and obtaining by calculation the price of the application package in the predetermined charging mode according to the prices of the applications. According to the technical solutions of the present invention, an application package can be conveniently and quickly priced, and the charging mode of the application package is flexible and diversified. | 12-12-2013 |
20140058044 | POLYBUTADIENE GRAFTED ISOPRENE RUBBER, PROCESSES FOR PREPARING POLYBUTADIENE GRAFTED ISOPRENE RUBBER, MIXED COMPOSITIONS AND VULCANIZED FORMS THEREOF - Disclosed herein are polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof. | 02-27-2014 |
20140119408 | SYNCHRONOUS ACCESS METHOD, AND COMMUNICATION DEVICE AND SYSTEM IN FREQUENCY HOPPING RADIO COMMUNICATION - A method performs synchronous access between a first communication device and a second communication device. The first communication device adopts N frequency hopping channels and performs frequency hopping in a predetermined frequency hopping sequence and at a predetermined frequency hopping time interval. The first communication device sends a broadcast beacon over the N frequency hopping channels with a cycle of M times the predetermined frequency hopping time interval. The broadcast beacon carries general information including synchronization information. M and N are both natural numbers. The second communication device receives the broadcast beacon over any one frequency hopping channel of the N frequency hopping channels to acquire the synchronization information. The second communication device exchanges information with the first communication device for access. This flexible, simple and easy-to-implement synchronous access solution achieves high-efficiency utilization and good anti-interference of a bandwidth, and allows rapid and reliable synchronization with low power consumption. | 05-01-2014 |
20140162918 | INDUSTRIAL GEAR LUBRICATING OIL COMPOSITION USED FOR RESISTING MICRO-PITTING - Provided is a micropitting corrosion resistant industrial gear lubricant composition, comprising: (A) at least a highly refined mineral oil, or synthetic oil or any combination of the above components; (B) at least a micropitting corrosion resistant additive; (C) at least an anti-wear additive; (D) at least a metal passivation additive; and (E) at least an anti-oxidation additive. | 06-12-2014 |